Window ventilator



Dec. 22, 1953 J. FAIRBAlRN 2,663,245

WINDOW VENTILATOR Filed Nov. 21, 1951 I a I I Hi i I v nuculo'a lfllairbairiz Patented Dec. 22, 1953 V UNITED STATES TENT OFFICE 1 Claim. 1

This invention relates to a window ventilator which is so constructedthat it may be positioned exteriorly of a window frame and the windowopened, thereby permitting air to enter the room through the openwindow, the Opening of the window being guarded by the ventilator to theend that it is possible to provide effective ventilation withoutsacrificing privacy.

Another important object of the invention is to provide a device of thischaracter which will permit of circulation of air downwardly through thetop of the ventilator, and upwardly, through the bottom thereof, and atthe same time provide a ventilator wherein rain will be excluded fromentering the open window.

Still another object of the invention is to provide a ventilator of thischaracter which may be readily and easily folded into a small andcompact article, and one which may be readily and easily removed andreplaced as desired.

With the foregoing and other objects in View which will appear as thedescription proceeds, the invention consists of certain novel details ofconstruction and combinations of parts hereinafter more fully describedand pointed out in the claim, it being understood that changes may bemade in the construction and arrangement of parts without departing fromthe spirit of the invention as claimed.

Referring to the drawing,

Figure 1 is a perspective View illustrating a window ventilatorconstructed in accordance with the invention, as mounted on a windowframe.

Fig. 2 is a vertical sectional view through the ventilator.

Fig. 3 is a sectional view taken on line 3-3 of Fig. 2. I

Fig. 4 is an enlarged fragmental interior view of one corner of theventilator.

Referring to the drawing in detail, the ventilator comprises a bodyportion including end sections 5 and a front section 6, the end sectionsbeing provided with horizontal bars 1 that are secured thereto at pointsintermediate the upper and lower ends thereof.

The reference character 8 indicates a horizontal bar which is secured tothe front section 6 at a point substantially intermediate the upper andlower ends thereof, the ends of the horizontal bar 8 lying adjacent tothe outer ends of the horizontal bars 1, the adjacent ends of the bars Iand 8 being provided with hinges 9 whereby theend sections may be foldedover the front section, when it is desired to store the ventilator.

As shown, the front section 6 is wider than the end sections 5, to theend that the lower edge of the front section 6 extends a substantialdistance below the lower ends of the end sections 5,

providing the extension it which is disposed below the window sill,which in the present showing is indicated by the reference character H.

As shown, the front edges of the end sections 5 are inclined inwardlytowards the lower ends thereof, so that the front section 5 is caused tobe inclined inwardly towards the lower end of the ventilator, providingan entrance opening at the bottom of the ventilator which issubstantially smaller than the opening at the top of the ventilator.

Hooks I2 extend inwardly from the free ends of the horizontal bars I,which hooksare positioned within the screw eyes it that are secured tothe window frame in a position to properly locate the ventilator at thebottom of a window.

From the foregoing it will be seen that due to the construction shownand described, I have provided a ventilator to be used with openwindows, to the end that a room may be properly ventilated withoutsacrificing privacy of the 5 room.

It will also be seen that due to this construction, I have provided aventilator which when used with the usual attic circulating fan, willpermit fresh air to be drawn into a window, and since both the bottomand top of the ventilator are open, it will be obvious that air will bedrawn in through the bottom of the ventilator as well as through the topof the ventilator, creating a suction and at the same time providing abottomless ventilator so that the elements may not collect in theventilator to the discomfort of the persons in the room.

Having thus described the invention, what claimed is:

A window ventilator for positioning adjacent to the outer sides ofwindows having sills, comprising a body having an open top and bottom,end sections and a front section, means for pivotally connecting the endsections to said front section, the upper and lower edges of each'endsection being parallel, the lower edge of said front section extending asubstantial distance below the lower ends of said end sections in spacedrelation with the sill providing a vertical passageway through thebottom and top of said ventilator, and means for removably securing theventilator adjacent to said open window.

JOSEPH B. FAIRBAIRN.

References Cited in the file of this patent UNITED STATES PATENTS NumberName Date 443,345 Aikins Dec. 23, 1890 1,136,541 Leary Apr. 20, 19152,537,478 Moss Jan. 9, 1951

